Home / 152,384.24-228,358.56-85,684.38

Finding the Fourth Proportional to 152,384.24, 228,358.56 and 85,684.38

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Solution

The fourth proportional to 152,384.24, 228,358.56 and 85,684.38 is: 128,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,384.24 : 228,358.56 = 85,684.38 : x
  2. Step 2: Convert to fraction form
    152,384.24/228,358.56 = 85,684.38/x
  3. Step 3: Cross multiply
    152,384.24x = 228,358.56 × 85,684.38
  4. Step 4: Simplify right side
    152,384.24x = 19,566,761,631.29
  5. Step 5: Solve for x
    x = 19,566,761,631.29/152,384.24
  6. Step 6: Final answer
    x = 128,404.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.